(;GM[1]FF[4]SZ[19]
GN[No ko]
PC[http://senseis.xmp.net/?GokyoSeimyoVolume3Problem93/Attempts]AP[GoWiki:2009]
DT[2009-12-28]
C[Diagram from http://senseis.xmp.net/?GokyoSeimyoVolume3Problem93/Attempts

No ko]
PL[B]

AB[ql][qn][rn][oo][op][oq][qq][rq][nr][or][pr]
AW[qo][ro][pp][rp][pq][qr][rr][ps]

;B[sq]C[B1]MN[1]
;W[qp]C[W2]MN[2]
;B[rs]C[B3]MN[3]
;W[qs]C[W4]MN[4]
;B[os]C[B5]MN[5]
;W[ss]C[W6]MN[6]
;B[po]C[B7]MN[7]

;
)
